SAT updates CFDI 4.0: changes to catalogs effective June 2026

The Mexican Tax Administration Service (SAT) has released a CFDI SAT Mexico update affecting CFDI version 4.0 catalogs, effective June 19, 2026.

This regulatory change is important for companies using electronic invoicing in Mexico, as it impacts customs catalog structures and tax compliance processes.

The update requires organizations to review their systems to ensure compliance and avoid validation issues in electronic invoicing.

What did SAT update in CFDI 4.0?

SAT made changes to customs-related catalogs, specifically the “c_NumPedimentoAduana” catalog.

No modifications were made to XSD schemas, meaning the technical structure remains stable.

This update focuses only on adding new records within existing catalogs.

The CFDI SAT Mexico update is part of SAT’s continuous improvements to strengthen tax control and data accuracy.

Main changes in c_NumPedimentoAduana catalog

Fifteen new records were added, associated with:

• Customs office
• License number (patent)
• Fiscal year
• Quantity
• Effective start date

These updates improve validation accuracy for foreign trade operations.

Companies must analyze how the CFDI SAT Mexico update affects their current data mapping and validation rules.

Impact for businesses

Companies issuing CFDI for import or export must ensure their systems are updated.

This prevents invoice rejection and fiscal validation errors.

The CFDI SAT Mexico update may require adjustments in ERP systems and electronic invoicing platforms.

Proper configuration ensures compliance with SAT requirements and avoids operational disruptions.

When do these changes take effect?

The changes take effect on June 19, 2026, when new catalog entries become mandatory.

Businesses must comply with this regulation to remain aligned with SAT requirements.

The actualization becomes mandatory from this date for all affected operations.

Additional context on CFDI updates

It is important for companies to regularly monitor regulatory changes issued by SAT, as updates to CFDI catalogs can affect multiple business processes, including billing, customs validation, and ERP system configuration.

Staying updated with the SAT CFDI regulatory update helps organizations reduce compliance risks, avoid operational delays, and ensure accurate tax reporting across all transactions.

Official reference

👉 https://www.sat.gob.mx

Is your system ready for the CFDI SAT Mexico update?

At LLB Solutions, we help companies update their ERP systems and ensure compliance with tax regulations in Mexico and Latin America.

👉 Contact us for advisory services or localization implementation.

info@llbsolutions.com | Mexico Localization